截止閥的密封面，必須施以強(qiáng)制力關(guān)閉的閥門才能達(dá)到密封，在同樣口徑、工作壓力和一樣的驅(qū)動(dòng)裝置下，截止閥的驅(qū)動(dòng)轉(zhuǎn)矩為閘閥的2.5~3.5倍。這一點(diǎn)在進(jìn)行電動(dòng)閥門的轉(zhuǎn)矩控制機(jī)構(gòu)調(diào)整時(shí)，應(yīng)加以注意。
截止閥的密封面，只有在*關(guān)閉時(shí)才相互接觸，強(qiáng)制關(guān)閉的閥芯與密封面的相對(duì)滑移量很小，上海祥樹(shù)ELCISMS3057-10A
上海祥樹(shù)ELCISMS3057-10A
上海祥樹(shù)ELCISMS3057-10A
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